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1999 Daewoo Lanos Car shudders when accelerating

Tiny
EVYN
  • MEMBER
  • 1999 DAEWOO LANOS
  • 4 CYL
  • FWD
  • MANUAL
  • 80,000 MILES
Hi,

When accelerating my Lanos shudders. It may suddenly leap forward, or just shudder for awhile before smoothing out.

When driving at constant speed it drives smoothly. However, as soon as I hit a hill, it starts shuddering again.

The cables that connect to the spark plugs have been replaced. I replaced the plugs today. The problem persists.

Any advice appreciated.
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Monday, April 13th, 2009 AT 4:25 AM

3 Replies

Tiny
ZACKMAN
  • MECHANIC
  • 4,202 POSTS
Re-check the gap for the spark plugs to.044. Also, re-check the plug wires for possible misfire. If it has not been done, consider checking/replacing the fuel filter.

Is the check engine light on?
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Wednesday, April 15th, 2009 AT 12:19 AM
Tiny
EVYN
  • MEMBER
  • 2 POSTS
Thanks for the reply.

I will that today. The filter is fairly new, but I will replace it anyway.

The engine light is not on.
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Wednesday, April 15th, 2009 AT 2:23 AM
Tiny
ZACKMAN
  • MECHANIC
  • 4,202 POSTS
Let us know what you find out.
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Wednesday, April 15th, 2009 AT 9:29 PM

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